Hi, your logic is correct but 'nchoosek' hogs memory space. there is a better way...
Return elements unique to either input
Longest run of consecutive numbers
Reverse a matrix
Max of a Vector
Easy Sequences 39: Perfect Squares in Pascal's Triangle
Easy Sequences 34: Modified Pascal's Triangle
Easy Sequences 11: Factorial Digits without Trailing Zeros
Easy Sequences 33: Web Trapped Ant
Easy Sequences 35: Cutting a donut to Semi-prime pieces
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